Portable space heater



FIG. 1 shows a front, top and right side perspective view of a portable space heater incorporating our new design;

FIG. 2 shows a front elevational view of the portable space heater shown in FIG. 1;

FIG. 3 shows a rear elevational view of the portable space heater shown in FIG. 1;

FIG. 4 shows a right side elevational view of the portable space heater shown in FIG. 1, the left side elevational view being the mirror image of the right side elevational view;

FIG. 5 shows a top plan view of the portable space heater shown in FIG. 1; and,

FIG. 6 shows a bottom plan view of the portable space heater shows in FIG. 1. 

The ornamental design for a portable space heater, as shown and described. 